docs: def get_localvariabletable(self):
          """
          a sequence of (code_offset, length, name_index, desc_index, index)
          tuples
  
          reference: http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.7.13
          """  # noqa
  
          buff = self.get_attribute("LocalVariableTable")
          if buff is None:
              return tuple()
  
          with unpack(buff) as up:
              return tuple(up.unpack_struct_array(_HHHHH))